[postgis-tickets] [PostGIS] #4125: postgis 2.5 crashes with PG11 on Debian stretch/amd64

[PostGIS]

#4125: postgis 2.5 crashes with PG11 on Debian stretch/amd64
---------------------+---------------------------
 Reporter:  myon     |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS 2.5.0
Component:  postgis  |    Version:  trunk
 Keywords:           |
---------------------+---------------------------
 Postgis svn-trunk (git ef537b71c, also 2.5.0beta1) crashes with PG11
 (11beta2) on Debian stretch/amd64. Other PG versions, and other
 Debian/Ubuntu releases on amd64 are not affected.

 How to reproduce:
 * Debian stretch/amd64
 * PostgreSQL 11~beta2-2.pgdg90+1 from apt.postgresql.org
 * POSTGIS="2.5.0beta2dev r16647" [EXTENSION] PGSQL="110"
 GEOS="3.5.1-CAPI-1.9.1 r4246" PROJ="Rel. 4.9.3, 15 August 2016" GDAL="GDAL
 2.1.2, released 2016/10/24" LIBXML="2.9.4" LIBJSON="0.12.1"
 LIBPROTOBUF="1.2.1" RASTER

 Running regress/tickets.sql crashes the server:
 {{{
 \pset pager off
 \i regress/tickets.sql
 2018-07-17 10:42:20.218 CEST [26234] LOG:  Serverprozess (PID 32436) wurde
 von Signal 11 beendet: Segmentation fault
 2018-07-17 10:42:20.218 CEST [26234] DETAIL:  Der fehlgeschlagene Prozess
 führte aus: SELECT '#408.3',
 st_isvalid('0106000020BB0B000001000000010300000005000000D6000000000000C0F1A138410AD7A3103190524114AE4721F7A138410000000030905241713D0A57FAA1384185EB51982C9052417B14AE87FAA13841000000402A905241AE47E13AFBA1384114AE474128905241EC51B81EFDA138413D0AD7632690524152B81E85FFA13841D7A3707D259052415
 }}}

 Running this query alone does not crash it, but the crash happens
 reproducibly when running the full tickets.sql file.

-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/4125>
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